Believe this is him, he would have been 16 years old when enlisting.

A. J. McLaurin

Residence was not listed;
Enlisted on 5/1/1864 as a Private.
On 5/1/1864 he mustered into "K" Co. MS Ashcraft's Cavalry
(date and method of discharge not given)
(Estimated date of enlistment)

Sources used by Historical Data Systems, Inc.:
- Index to Compiled Confederate Military Service Records

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A. J. McLaurin, Private, Company K, 3rd Regiment Cavalry, Mississippi State Troops, enlisted August 29, 1864 at Brandon by Capt. Wm. Vinzant for 30 days, last recorded present September 14,1864 at Brandon, Miss., no other records

M269: Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Mississippi

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Anselm Joseph McLaurin (March 26, 1848 – December 22, 1909) was the 34th Governor of Mississippi, serving from 1896 to 1900.